Flight time Calculator

[ABG]

If you need a running sum, also see

How do I Save Multiple Items plain in TinyDB (Without Using a List)? I am working with the given code, but it only works for the first item. Please help me fix it

Here's an example without lists. Hopefully it will make students eager to learn lists when they see it in action. [sample run] [blocks] [Designer] listless_checkout.aia (2.9 KB)